Boko, E [Intrapetrous cholesteatoma. A retrospective study of seven operated cases]. [electronic resource] - Revue de laryngologie - otologie - rhinologie 2006 - 211-6 p. digital Publication Type: Case Reports; English Abstract; Journal Article ISSN: 0035-1334 Subjects--Topical Terms: AdultCholesteatoma--pathologyFemaleHumansMaleMiddle AgedOtologic Surgical Procedures--methodsPetrous Bone--pathologyRetrospective Studies